Synonyms: L-Valine,N-(3-hydroxy-7-mercapto-1-oxo-4-heptenyl)-D-valyl-D-cysteinyl-(Z)-2,3-didehydro-2-aminobutanoyl-,(4®1)-lactone, cyclic (1®2)-disulfide, [S-(E)]-;2-Oxa-12,13-dithia-5,8,20,23-tetraazabicyclo[8.7.6]tricosane, cyclic peptidederiv.; Antibiotic FR 901228; Chromadax; FK 228; FR 901228; NSC 630176;Romidepsin